php array only take the first two elements of the method: 1, use the array_splice () function, syntax "array_splice($arr,0,2)"; 2, use the array_slice () function, syntax "array_slice($arr,0,2)".

php array method to take only the first two elements

Method 1: Use array_splice() function

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<?php

header("Content-type:text/html;charset=utf-8");

$arr = array(10,12,20,25,24);

echo "Original array：";

var_dump($arr);

 

echo "Intercepted array fragments：";

$result = array_splice($arr,0);  //Truncate all the elements of the array starting from subscript 0

var_dump($result);

 

$arr = array(10,12,20,25,24);

$result = array_splice($arr,0,2);//Intercept the two elements starting from subscript 0

var_dump($result);

?>

 

Method 2: Use array_slice() function

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<?php

header("Content-type:text/html;charset=utf-8");

$arr = array(12,20,25,24,29,"2");

echo "Original array：";

var_dump($arr);

 

echo "Intercepted array fragments：";

$result = array_slice($arr,0); //Truncate all the elements of the array starting from subscript 2

var_dump($result);

 

$result = array_slice($arr,0,2); //Intercept the two elements starting from subscript 0

var_dump($result);

 

?>

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